Sentence examples for ores were not from inspiring English sources

Although ironstone and wood for charcoal were relatively common in most areas, the best smiths could nevertheless command a premium for their wares, and in some regions of deep blown sand or wide alluvial soils, where ores were not available, iron tools and weapons had to be bought from itinerant tinkers.

Although deposits of flint for stone tools and weapons were fairly widely and evenly distributed, copper ores were not.

The mineral fluorspar is widely distributed, but the supplies of good quality ore are not large; it has been found necessary to utilize lower grade ores, making the processing more expensive.

Ships ordered in 2013 are starting to roll down the slipways, nonetheless, and even record Chinese imports of iron ore are not enough to soak up excess capacity.All the steel that China is making with that ore has also been hurting the shipowners, explains Crystal Chan of IHS, a research firm.

The mining and milling of uranium ore is not banned by UN resolutions (which focus on uranium enrichment), but one of the ways the international community has sought to close down Iran's nuclear programme is to stop it importing yellowcake.

When the industrial revolution happened it was decided the low-grade iron ore was not worth bothering with.

The amount of silver in local ore was not easily estimated even for those extracting the ore, and is very tricky to estimate using a fragmentary historical record.

Remnant chromite ore was not detected by XRD (Fig. 6), although common cementitious minerals, calcite and portlandite, were detected (see Fig. 6 for formulae).

But mining iron ore isn't like mining coal or gold or uranium.

You see, iron ore isn't traded on a global exchange; its price is set in direct deals between producers and consumers.

One interesting point about this case is that, as I understand it, iron ore isn't traded on an international exchange; trade takes place through bilateral deals between producers and consumers.